Acetabular index

The acetabular index is an acute angle formed by the intersection of the acetabular outer edge and the acetabular center line and the H line. The abnormality of the acetabular index may be acetabular dysplasia and shallow acetabular fossa. Even if the film is not dislocated at the time, it is still possible. Dislocation of the hip. Also known as the cover angle. This is a method of determining the depth and slope of the acetabulum. From the intersection of the two humerus and the "Y" shaped cartilage, the line is extended and extended to both sides (ie, the Y line), and then the line from the lowest point of the humerus to the outer edge of the acetabulum, the angle between the line and the Y line This is the acetabular index. The acetabular index is an important indicator of joint stability. Follow-up of its developmental changes is important for guiding rehabilitation exercises after acetabular repair and improving acetabular repair and reconstruction. Basic Information Specialist classification: growth and development check classification: physical examination Applicable gender: whether men and women apply fasting: not fasting Analysis results: Below normal: Normal values ​​of 20--30 degrees, greater than 30 degrees suggest hip dysplasia. The newborn is 30 degrees. Normal value: Acetabular index: 20-30 degrees Above normal: The acetabular index is an acute angle formed by the intersection of the acetabular outer edge and the acetabular center line and the H line. The abnormality of the acetabular index may be acetabular dysplasia and shallow acetabular fossa. Even if the film is not dislocated at the time, it is still possible. Dislocation of the hip. negative: Normal values ​​of 20--30 degrees, greater than 30 degrees suggest hip dysplasia. The newborn is 30 degrees. Positive: The acetabular index is an acute angle formed by the intersection of the acetabular outer edge and the acetabular center line and the H line. The abnormality of the acetabular index may be acetabular dysplasia and shallow acetabular fossa. Even if the film is not dislocated at the time, it is still possible. Dislocation of the hip. Tips: Patients should relax when checking, and should actively face and actively cooperate with the inspection. Normal value Normal values ​​of 20--30 degrees, greater than 30 degrees suggest hip dysplasia. The newborn is 30 degrees. Clinical significance The acetabular index is an acute angle formed by the intersection of the acetabular outer edge and the acetabular center line and the H line. The abnormality of the acetabular index may be acetabular dysplasia and shallow acetabular fossa. Even if the film is not dislocated at the time, it is still possible. Dislocation of the hip. High results may be diseases: congenital dislocation of the hip, pediatric developmental dislocation of the hip Taboo before inspection: no special contraindications. Requirements for inspection: Check the feelings of relaxation, should face positively, and actively cooperate with the inspection. Inspection process The patient is supine, and the angle measured by the examiner from the outer edge of the acetabulum to the center of the acetabulum intersects with the H line. Not suitable for the crowd Inappropriate crowd: None. Adverse reactions and risks Nothing.